Rank	Countries/Territories	Count	Percent
1	United States	373	41.5%
2	China	263	29.3%
3	Germany	69	7.7%
4	Japan	21	2.3%
5	Netherlands	19	2.1%
6	India	17	1.9%
7	Australia	12	1.3%
8	France	11	1.2%
9	Italy	11	1.2%
10	Turkey	11	1.2%
11	Bulgaria	10	1.1%
12	Canada	9	1%
13	Singapore	8	0.9%
14	Egypt	7	0.8%
15	Brazil	6	0.7%
16	Poland	5	0.6%
17	Russia	4	0.4%
18	Malaysia	4	0.4%
19	Cyprus	4	0.4%
20	Iraq	4	0.4%
21	United Kingdom	4	0.4%
22	Argentina	3	0.3%
23	Moldova, Republic of	3	0.3%
24	Norway	3	0.3%
25	Mongolia	2	0.2%
26	Czech Republic	2	0.2%
27	Ireland	2	0.2%
28	Indonesia	1	0.1%
29	Iran, Islamic Republic of	1	0.1%
30	Hong Kong	1	0.1%
31	Mauritius	1	0.1%
32	Kuwait	1	0.1%
33	Latvia	1	0.1%
34	Lithuania	1	0.1%
35	Oman	1	0.1%
36	Nigeria	1	0.1%
37	Spain	1	0.1%
38	Ukraine	1	0.1%
39	Viet Nam	1	0.1%